肺结核较易发生气胸的类型是（）
A.原发性肺结核
B.空洞性肺结核
C.浸润性肺结核
D.急性血行播散性肺结核
E.结核球
参考答案：B
* * 要求各级领导干部要正确行使人民赋予的权力，坚持原则，依法办事，（）。
We are going to have a singing party tonight. Would you like to join us?（）
A.I'm afraid not, because I have to go to an important meeting.
B.Of course not. I have no idea.
C.No, I can't.
D.That's all set.
